* {
	margin: 0;
	padding: 0;
}

a {
	text-decoration: none;
}

ul {
	list-style: none;
}


/* 头部栏，通用 */
#header {
	height: 140px;
	margin: auto;
	background: rgba(255, 255, 255, 0.8);
	position: fixed;
	width: 100%;
	z-index: 1;
}

#header div {
	height: 88px;
	width: 1300px;
	margin: auto;
}

#header span {
	display: block;
	height: 1px;
	background-color: #e5e5e5;
}

#header .u {
	width: 1300px;
	margin: auto;
	position: relative;
}

#header .u>li {
	float: left;
	padding: 0 13px;
	line-height: 50px;
}

#header .u>li>a {
	display: block;
	color: #808080;
	font-size: 13px;
	font-weight: bold;
	text-decoration: none;
	height: 50px;
}

#header .u>li a:hover {
	color: #444444;
}

#header .u>li:hover>.u1 {
	display: block;
}

.u1 {
	position: absolute;
	border-top: 2px solid #444444;
	display: none;
	background-color: #ffffff;
}

.u1 li {
	height: 40px;
	width: 200px;
}

.u1 li:hover {
	background-color: gainsboro;
	transition: 0.5s;
}
.u1 li a {
	display: block;
	font-size: 12px;
	color: #808080;
	height: 40px;
	line-height: 40px;
}

#search {
	line-height: 50px;
	position: absolute;
	right: 0;
	width: 20px;
	height: 50px;
	background-image: url(../img/01-放大镜.png);
	background-size: 14px;
	background-repeat: no-repeat;
	background-position: 2px 20px;
}

.u #sou {
	width: 280px;
	height: 80px;
	background-color: #FFFFFF;
	position: absolute;
	top: 50px;
	right: -6px;
	border: 1px solid #5F9EA0;
	box-shadow: 0 0 2px #5F9EA0;
	display: none;
}
.u #sou::after {
	content: "";
	display: block;
	width: 16px;
	height: 16px;
	transform: rotate(45deg);
	background-color: #FFFFFF;
	position: relative;
	top: -71px;
	left: 245px;
	border-left: 1px solid #5F9EA0;
	border-top: 1px solid #5F9EA0;
}

#sou input {
	width: 200px;
	height: 40px;
	margin-top: 20px;
	outline: none;
	margin-left: 20px;
	border: #e1e1e1 1px solid;
	background-color: #f8f8f8;
	color: gray;
}

.u #sou a {
	display: inline-block;
	width: 42px;
	height: 42px;
	background-color: darkred;
	margin-left: -5px;
	position: relative;
	top: 13px;
}

.u #sou a:hover {
	opacity: 0.5;
}

.u #sou a img {
	width: 18px;
	height: 18px;
	margin: 10px 12px;
}






/* 轮播图 */
#did {
	position: relative;
	width: 100%;
	height: 514px;
}
#img-div {
	position: absolute;
	width: 100%;
	height: 514px;
}

#img-div img {
	width: 100%;
	height: 514px;
	display: none;
	cursor: pointer;
	z-index: -1;
}

/* 这两段可不加 */
/* 显示第一张图片 */
#img-div img:first-child {
	display: block;
}
#img-div .beijing1{
	    height: 100%;
	    width: 100%;
	    position: absolute;
	    left: 0;
	    top: 0;
		background: rgb(255,255,255);
		opacity: 0;
		transition:0.5s;
		}
#img-div .beijing1:hover{
	cursor: pointer;
	opacity: 0.5;
	transition:0.5s;
}
#img-div .beijing2{
	height: 80px;
	width: 80px;
	border-radius: 50%;
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -40px;
	margin-top: -40px;
	background-image: url(../img/箭头.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 25px 25px;
	background-color: #000000;
	transform: rotate(-15deg);
}
#img-div .beijing1:hover .beijing2{
	transform: rotate(20deg);
	transition:0.5s;
}
/* 点亮第一个圆点 */
#cir-div div:first-child {
	background: rgba(0, 0, 0, 0.9);
}

#cir-div {
	position: absolute;
	/* 相对于图片的位置 */
	left: 50%;
	top: 484px;
	transform: rotate(-90deg);
	z-index: 99;
	cursor: pointer;
}
/* 下方圆点 */
#cir-div div {
	width: 12px;
	height: 12px;
	/* 50%时为圆形 */
	border-radius: 50%;
	margin-right: 50%;
	background: rgba(0, 0, 0, 1);
	margin: 10px 0;
	
}

#left-btn {
	position: absolute;
	cursor: pointer;
	/* 相对于图片的位置 */
	top: 50%;
	/* 左圆按钮 */
	width: 25px;
	height: 25px;
	background: rgba(119, 119, 119, 0.5);
	border-radius: 50%;
	/* 动画效果，放在变化前，当鼠标移动上面时，会缓慢变色 */
	transition: background-color 0.3s ease-out;
	left: -25px;
}

#right-btn {
	position: absolute;
	cursor: pointer;
	/* 相对于图片的位置 */
	top: 50%;
	right: -25px;

	/* 右半圆按钮 */
	width: 25px;
	height: 25px;
	background-color: rgba(119, 119, 119, 0.5);
	border-radius:50%;
	/* 动画效果，放在变化前，当鼠标移动上面时，会缓慢变色 */
	transition: background-color 0.3s ease-out;
}

#left-btn:hover {
	background-color: rgba(32, 32, 32, 0.5);
	cursor: pointer;
}

#right-btn:hover {
	background-color: rgba(32, 32, 32, 0.5);
	cursor: pointer;
}

#left-btn h3 {
	color: #fff;
	margin-top: -2px;
	margin-left: 4px;
	
}
#right-btn h3 {
	color: #fff;
	margin-top: -2px;
	margin-left: 6px;
}

html{
	overflow-x: hidden;
}
#line{
	position: absolute;
	width: 100%;
	height: 40px;
	border-bottom: 1px solid #e5e5e5;
}






/* 主页主体 */
.box{
	width: 1300px;
	height: 1710px;
	margin: auto;
	margin-bottom: 50px;
	margin-top: 86px;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: stretch;
}
.box .box-child{
	width: 382px;
	height: 387px;
	position: relative;
}
.box .box-child span{
	font-size: 0;
}
.box .box-child span img{
	width: 392px;
	height: 308px;
	background-color: #f8f8f8;
}
.box .box-child span:hover{
	opacity: 0.5;
	transition: 0.3s;
	cursor: pointer;
}
.box .box-child span .Beijing{
	height: 80px;
	width: 80px;
	border-radius: 50%;
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -40px;
	margin-top: -90px;
	background-image: url(../img/箭头.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 25px 25px;
	background-color: #000000;
	transform: rotate(-15deg);
	opacity: 0;

}
.box .box-child span:hover .Beijing{
	transform: rotate(20deg);
	transition:0.5s;
}

.box .box-child h3 a{
	color: #222222;
	font-size: 14px;
}
.box .box-child div,.box .box-child div a{
	color: #919191;
	font-size: 12px;
	padding: 0 0 10px;
}
.box .box-child p{
	font-size: 13px;
	width: 110%;
	color: #666666;
}

#nav{
	width: 1300px;
	height: 48px;
	margin: auto;
	position: relative;
}
#nav p{
	font-size: 12px;
	line-height: 48px;
	
}
#nav p{
	display: inline-block;
	position: absolute;
	margin: 0 10px;
	right: 0;
	
}
#nav a{
	display:block;
	font-size: 12px;
	line-height: 35px;
	text-align: center;
	width: 35px;
	height: 35px;
	border-radius: 50%;
	color: ;
}
#nav span{
	margin-top: 12px;
	display: inline-block;
	width: 35px;
	height: 35px;
	border-radius: 50%;
	background-color: #f8f8fa;
}
#nav span:hover>a{
	background-color: #666666;
	color: #ffffff;
}


/* 尾部通用栏 */
#footer{
	height: 580px;
	background-color: #393939;
	padding: 15px 0 30px;
}
#foot{
	width: 1400px;
	height: 100%;
	padding: 30px 50px 0 50px ;
	margin: auto;
}
#foot>div{
	float: left;
	width: 382px;
	height: 100%;
	margin-left: 78px;
}
#foot #footLeft{
	margin-left: 50px;
}
#footLeft h3{
	color: #9c9c9c;
	font-size: 14.3px;
	margin: 12px 0 8px;
}
#footLeft a,#footLeft span{
	font-size: 12px;
	color: #ffffff;
}
#footLeft a{
	padding-left: 9px;
}
#footLeft>a::before,#footLeft>ul a::before{
	content: "";
	position: absolute;
	border: 6px solid transparent;
	border-left:6px solid #a7a9a8 ;
	left: 110px;
	margin-top: 6px;	
}
#footLeft>ul a::before{
	left: 120px;
}
#footLeft span{
	font-style: italic;
}
#footLeft ul li{
	padding: 2px 0 2px 10px;
}
#footLeft a:hover,.nav4 a:hover{
	color: #aaa;
	text-decoration: underline;
}

#footCenter .a,#footCenter a,#footCenter h3,#footCenter p{
	color: #898c91;
}

#footCenter img{
	width: 28px;
	height: 28px;
	float: left;
	position: relative;
	top: 4px;
	left: 3px;
	
}
#footNav{
	height: 43px;
	border-bottom: 1px solid #424242;
}
#footNav li{
	display: inline-block;
	height: 43px;
	padding: 0 5px;
	cursor: pointer;
	font-size: 14px;
	line-height: 43px;
	position: relative;
	top: -10px;
	color: #9C9C9C;
}

#footNav li:hover{
	color: #FFFFFF;
}
#footNav li:nth-child(1){
	border-bottom: 2px solid #FFFFFF;
	font-weight: bold;
	color: #FFFFFF;
}

#footCenter ul li{
	margin: 7px 0 3px;
	height: 43px;
}
#footCenter ul li span{
	float: right;
	width: 336px;
}
#footCenter ul li h3{
	font-size: 13px;
}
#footCenter ul li p{
	font-size: 12px;
}
.nav4 a,#tNav4 a{
	height: 26px;
	color: #FFFFFF;
	font-size: 13px;
	padding: 5px;
	border: #666666 1px solid;
	position: relative;
	top: 3px;
	
}

/* 隐藏分栏 */
#footCenter .nav1{
	display: none;
}
#footCenter #Nav1{
	display: block;
}

#footRight>div{
	color: #FFFFFF;
	font-size: 12px;
	margin-top: 20px;
	line-height: 18px;
}
#footRight .sou{
	width: 380px;
	height: 40px;
	margin-top: 40px;
}
#footRight .sou input{
	width: 340px;
	height: 40px;
	border: none;
	outline: none;
	color: #919191;
	background-color: #333333;
}
#footRight .sou a{
	display: inline-block;
	width: 40px;
	height: 40px;
	background-color: #A7A9A8;
	position: relative;
	top: -40px;
	left: 340px;
}
#footRight .sou a img{
	width: 12px;
	height: 12px;
	margin: 13px;
}
#footRight .nav4 p{
	color: #9a9997;
	font-size: 14px;
	font-weight: bold;
	padding: 40px 0 14px;
}

<!-- 尾页眉 -->
